An uninterruptible power supply (UPS) is a device that provides backup power to critical systems in the event of a power failure. Unlike a generator, which can take time to start, a UPS provides instantaneous power, ensuring that equipment remains operational without interruption. . 'An UPS protects you from a host of threats, including power outages, surges and lightning strikes. ' a supply of reliable, cost-efective power for the emergency lighting, elevators, door systems, servers, computers and other mission-critical infrastructure they house. A UPS differs from an auxiliary or emergency power system or standby generator in that it will provide. . Bridge the power supply gap with Infineon's total solutions for online and offline uninterruptible power supplies (UPS) systems. Factors such as the rising trend towards the internet of things (IoT) and smart buildings, a growing number of datacenters across the globe, virtualization, and cloud. . An uninterruptible power supply (UPS) or uninterruptible power system is an electrical unit that provides power for computers, telecommunication equipment, etc. It not only offers emergency power backup but also protects the devices in use. The reason why UPS system proves to be essential is that. . Uninterrupted Power Supplies (UPS) play a vital role in ensuring the continuity of operations during power outages, surges, or fluctuations. Whether safeguarding critical data in a server room or protecting sensitive medical equipment, a UPS system acts as the first line of defense against power. . What Is a Uninterruptible Power Supply (UPS)? A UPS, or a uninterruptible power supply, is a device used to backup a power supply to prevent devices and systems from power supply problems, such as a power failure or lightning strikes.